| OCR Text |
Show 297 Of this five North American species of only nymphs genus, an presently assigned unknown to species have been col in Idaho. lected Brachycercus sp. [McDunnough]) (probably prudens (Figure 212) 1952b:351. Brachycercus sp., Edmunds, The (1952b) Edmunds (1963) nymphs referable and here have been described figured by Edmunds, Allen, and by Peters • and Taxonomy Biology McDunnough (1931d:264) adults collected nymphs herein in Saskatchewan. reported (1952:351) Edmunds described of are with this The . prudens from probability that the species has been stated respect to nymphs collected in by utah: basis of the great similarity of the of the Green River at Hideout Canyon and the Saskatchewan River near Saskatoon, it seems likely that the nymphs in my collection are referable to B. prudens ••• On the mayfly fauna - (McDunnough). I have specimens the compared nymphs collected in Idaho against from Utah nymphs of . placement to Nymphs rivers and and find prudens are species will have streams them reported and However, described, one sample in moderately flowing summer daytime until exact remain uncertain. been collected wi th identical. the 't"ra ter |
